Cochran, W. G. (2009). Sampling Techniques (3rd edn.). Wiley Eastern.
芝加哥风格引文Cochran, William G. Sampling Techniques. 3rd edn. New Dehli: Wiley Eastern, 2009.
MLA引文Cochran, William G. Sampling Techniques. 3rd edn. Wiley Eastern, 2009.
警告：这些引文格式不一定是100％准确.